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RDMA/core: Free unpublished port statistics after initial-read failure

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An initial port counter read can fail after allocating its statistics
buffer and wrapper. Free these both allocations.

Fixes: 467f432a52 ("RDMA/core: Split port and device counter sysfs attributes")
Link: https://patch.msgid.link/20261015-ib-core-fixes-v1-2-60f6da3ddec3@nvidia.com
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
This commit is contained in:
Leon Romanovsky 2026-10-18 07:59:38 -04:00
parent d01ee4c841
commit d74bdcfa89
1 changed files with 7 additions and 2 deletions
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9
drivers/infiniband/core/sysfs.c
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@ -996,8 +996,8 @@ static int setup_hw_port_stats(struct ib_port *port,
data->stats->num_counters);
if (ret != data->stats->num_counters) {
if (WARN_ON(ret >= 0))
return -EINVAL;
return ret;
ret = -EINVAL;
goto err_free_data;
}
data->stats->timestamp = jiffies;
@ -1031,6 +1031,11 @@ static int setup_hw_port_stats(struct ib_port *port,
port->hw_stats_data = data;
return 0;
err_free_data:
rdma_free_hw_stats_struct(data->stats);
kfree(data);
return ret;
}
struct rdma_hw_stats *ib_get_hw_stats_port(struct ib_device *ibdev,